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Finding the Fourth Proportional to 22,561.82, 33,842.71 and 6,979.45

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Solution

The fourth proportional to 22,561.82, 33,842.71 and 6,979.45 is: 10,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.82 : 33,842.71 = 6,979.45 : x
  2. Step 2: Convert to fraction form
    22,561.82/33,842.71 = 6,979.45/x
  3. Step 3: Cross multiply
    22,561.82x = 33,842.71 × 6,979.45
  4. Step 4: Simplify right side
    22,561.82x = 236,203,502.31
  5. Step 5: Solve for x
    x = 236,203,502.31/22,561.82
  6. Step 6: Final answer
    x = 10,469.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.